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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Re: How to design a passive single-network RIAA (two tubes) posted by Chris O on March 25, 2002 at 06:38:45:
> > I would like to use a similar circuit using 6SL7 tubes in a SRPP configuration. How would I adjust the circuit for this?You just need to calculate Ro differently, for this case.
For the bottom tube cathode bypassed version of the SRPP:
Ro = [rp(rp+Rk)]/[2*rp + (mu+1)Rk]
where Rk is the resistor between top cathode and bottom plate, and the output is taken off the top cathode.I have no other formula for different versions.
Kurt
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Follow Ups
- Re: How to design a passive single-network RIAA (two tubes) - Kurt Strain 03/25/0206:52:18 03/25/02 (2)
- results - Chris O 13:20:50 03/25/02 (1)
- Re: results - Kurt Strain 13:29:53 03/25/02 (0)
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